Latest round

Series A

Last raised

Mar 2026

Total raised

Undisclosed

Investors

2

About SignDo

, Ltd, trading as SignDo, is a biotech company that focuses on developing tumor-targeted fluorescent contrast agents. The company's main business is the development and industrialization of tumor-targeted fluorescent contrast agents. The company has also built an RT-TFC™ R&D technology platform for the development of various Fluorescence- Drug Conjugate (FDC) for fluorescence-guided surgery. The company's revenue is generated by providing doctors with tools required for tumor visualization.

Who invested in SignDo

2 investors across 1 round

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Funding rounds

  1. Series A

    Mar 2, 2026

    Amount

    Undisclosed

    Investors

    Locked

Questions about SignDo

Who invested in SignDo?

SignDo has 2 investors on record across 1 venture round. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has SignDo raised?

SignDo has raised 1 venture round. Sign up free to see how much each round raised and the total.

When did SignDo last raise money?

SignDo's most recent round on record is a Series A, in Mar 2026.

What does SignDo do?

, Ltd, trading as SignDo, is a biotech company that focuses on developing tumor-targeted fluorescent contrast agents.

Where is SignDo headquartered?

SignDo is headquartered in Suzhou, China.

Which VCs invest in companies like SignDo?

Among active investors with capital left to deploy, Shanghai State-owned Capital Investment Leading Fund, Hui Hua Fund, Yufu Capital and ICBC Capital Management back biotechnology companies at SignDo's stage. Their profiles are linked below.

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